Straightening rol is the metal bar, pipe, wire and so on straightening equipment. Straightening roll through the straightening roll to bar and so on extrusion make it change straightness. Generally there are two row of straightening rol, any number. There are also two roll straightening machine, rely on two rol (intermediate cove. hyperbolarol) the Angle change.Our company speciahizing in the production of straightening roll adopts advanced technology and efficient heat treatment. in order to get the fundamental quality guarantee.